8881245

素因数分解:

$3^4\times 5^1\times {\mathrm{21929}}^1$

素因数の和:21946

約数の個数: 20

約数和(自身を含む): 15921180

約数和(自身を除く): 7039935

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 21929, 65787, 109645, 197361, 328935, 592083, 986805, 1776249, 2960415, 8881245]

約数ペア:

[(1, 8881245), (3, 2960415), (5, 1776249), (9, 986805), (15, 592083), (27, 328935), (45, 197361), (81, 109645), (135, 65787), (405, 21929)]